CAS No.51312-42-6,SODIUM PHOSPHOTUNGSTATE Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	51312-42-6
Name:	SODIUM PHOSPHOTUNGSTATE

Formula:	Na₄O₂•O₅P₂•O₃₆W₁₂•18H₂O
Molecular Weight:	3372.46
Synonyms:	phosphotungsticacidsodiumcrystalline;SODIUMPHOSPHOTUNGSTATE
Density:	g/cm³
Melting Point:	350°C
Boiling Point:	158°Cat760mmHg
Flash Point:	°C
Solubility:	very soluble H2O, alcohol [HAW93]
Appearance:	Crystalline
Hazard Symbols:	An oxidizing agent.
Risk Codes:	36/37/38-22
Safety:	Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of PO_x and Na₂O. See also TUNGSTEN COMPOUNDS.
PSA:	710.58000
LogP:	-3.89080

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Chemistry

Molecule structure of Sodium phosphotungstate (CAS NO.51312-42-6) :

IUPAC Name: trisodium; dioxotungsteniooxy-[(oxido(dioxo)tungstenio)oxy-dioxotungstenio]oxy-dioxotungsten; phosphoric acid; hydrate
Molecular Weight: 2967.038171 g/mol
Molecular Formula: H₅Na₃O₄₁PW₁₂
Melting Point: 350 °C
Storage Temp.: store at RT.
H-Bond Donor: 4
H-Bond Acceptor: 41
Rotatable Bond Count: 12
Exact Mass: 2966.185579
MonoIsotopic Mass: 2968.184886
Topological Polar Surface Area: 641
Heavy Atom Count: 57
Complexity: 611
Canonical SMILES: O.OP(=O)(O)O.[O-][W](=O)(=O)O[W](=O)(=O)O[W](=O)(=O)O[W](=O)=O.[O-][W](=
O)(=O)O[W](=O)(=O)O[W](=O)(=O)O[W](=O)=O.[O-][W](=O)(=O)O[W](=O)(=O)O[W](=O)(=O)O[W](=O)=O.[Na+].[Na+].[Na+]
InChIKey: VBTVBWPYDARGPT-UHFFFAOYSA-N
EINECS: 234-716-1

Uses

Sodium phosphotungstate (CAS NO.51312-42-6) is used for determination of alkaloids, urea acid and potassium reagents.

Toxicity Data With Reference

1.		orl-rat LD50:1600 mg/kg		HYSAAV Hygiene and Sanitation: English Translation of Gigiena Sanitariya. 31 (1966),197.
2.		orl-mus LD50:700 mg/kg		HYSAAV Hygiene and Sanitation: English Translation of Gigiena Sanitariya. 31 (1966),197.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of PO_x and Na₂O. See also TUNGSTEN COMPOUNDS.
Hazard Codes: Harmful Xn
Risk Statements: 36/37/38-22
R36/37/38:Irritating to eyes, respiratory system and skin.
R22:Harmful if swallowed.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
RIDADR: 1479
WGK Germany: 3
RTECS: TH5775000
HazardClass: 5.1
PackingGroup III

Standards and Recommendations

ACGIH TLV: TWA 1 mg(W)/m³; STEL 3 mg(W)/m³
NIOSH REL: TWA 1 mg(W)/m³

Specification

Sodium phosphotungstate (CAS NO.51312-42-6) is also called Sodium tungstophosphate ; Tungstophosphoric acid, sodium salt ; Phosphotungstic acid, sodium salt ; Sodium tungsten hydroxide oxide phosphate . Sodium phosphotungstate (CAS NO.51312-42-6) is crystalline.